“The Everything Guide to Understanding Philosophy: The Basic Concepts of the Greatest Thinkers of All Time” is a nonfiction book from the Everything® Series, written by Kenneth Shouler, PH.D. and published by Adams Media Corporation in 2008. This paperback book serves as an accessible guide to understanding philosophy, exploring the basic concepts of influential thinkers throughout history. The book is a valuable resource for those looking to delve into the world of philosophy in a clear and easy-to-understand manner.